public function creation()
{
$checker = new ClassExistsChecker('Le_Foo_Le_Bar_Nexiste_Pas');
$this->assertInstanceOf(__NAMESPACE__ . '\\ClassExistsChecker', $checker);
$checker = ClassExistsChecker::create('Le_Foo_Le_Bar_Nexiste_Pas');
$this->assertInstanceOf(__NAMESPACE__ . '\\ClassExistsChecker', $checker);
}